United States · Who invested in Marathon Technologies?
Marathon Technologies's investors include Atlas Venture, Longworth Venture Partners, Sierra Ventures and Presidio Ventures.
200420052006200720082009
$8.8MVenture$12MSeries B$7.0MVentureUnited States · Venture startup
Who invested in Marathon Technologies
3 rounds we have observed, with the 4 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
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Funding summaryUpdated 31 Oct 2026
$28Mraised across 3 rounds since 2004, from 3 sources
$8.8MVenture$12MSeries B$7.0MVenture
- Latest round
- Venture, $7.0MAug 2009
- Biggest round
- $12MSeries B · Mar 2007
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $8.8M Jan 2004
- Biggest round
- $12M Series B · Mar 2007
- Usual gap between rounds
- 3.2 years the median of 2
The rounds
- Aug 2009Venture$7.0M
No investor was named in the report.
From a historical funding recordSEC filing: $7.0M sold, first sale Dec 2008
- Mar 2007Series B$12M1 new2 returning
Reported by marathontechnologies.com
- Jan 2004Venture$8.8M3 new
From a historical funding record
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Venture2004Series B2007Venture2009
Atlas Venture
Longworth Venture Partners
Sierra Ventures
Presidio Ventures
Atlas VentureLongworth Venture PartnersSierra VenturesPresidio VenturesThe exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Marathon Technologies
How much has Marathon Technologies raised?
Marathon Technologies has raised $28M across 3 rounds since 2004.
When did Marathon Technologies last raise?
Marathon Technologies's most recent round was a Venture of $7.0M in Aug 2009.
What was Marathon Technologies's biggest round?
Marathon Technologies's largest round on record is $12M (Series B), in Mar 2007.
Who backed Marathon Technologies first?
Marathon Technologies's first round on record, in Jan 2004, was backed by Atlas Venture, Longworth Venture Partners and Presidio Ventures.
What stage is Marathon Technologies at?
Marathon Technologies's latest named round is a Venture, in Aug 2009.
Where is Marathon Technologies based?
Marathon Technologies is based in the United States.
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